FUMARIC

Etymology

Adjective

fumaric (comparative more fumaric, superlative most fumaric)

Of, pertaining to, or derived from fumitory.

(chemistry) Of or pertaining to fumaric acid or its derivatives.

Source: Wiktionary

Fu*mar"ic, a. (Chem.)

Definition: Pertaining to, or derived from, fumitory (Fumaria officinalis). Fumaric acid (Chem.), a widely occurring organic acid, exttracted from fumitory as a white crystallline substance, C2H2(CO2H)2, and produced artificially in many ways, as by the distillation of malic acid; boletic acid. It is found also in the lichen, Iceland moss, and hence was also called lichenic acid.

Source: Webster’s Unabridged Dictionary 1913 Edition